1#!/usr/bin/env python 2# 3# Tests for image mirroring. 4# 5# Copyright (C) 2012 Red Hat, Inc. 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 2 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <http://www.gnu.org/licenses/>. 19# 20 21import time 22import os 23import iotests 24from iotests import qemu_img, qemu_io 25 26backing_img = os.path.join(iotests.test_dir, 'backing.img') 27target_backing_img = os.path.join(iotests.test_dir, 'target-backing.img') 28test_img = os.path.join(iotests.test_dir, 'test.img') 29target_img = os.path.join(iotests.test_dir, 'target.img') 30 31quorum_img1 = os.path.join(iotests.test_dir, 'quorum1.img') 32quorum_img2 = os.path.join(iotests.test_dir, 'quorum2.img') 33quorum_img3 = os.path.join(iotests.test_dir, 'quorum3.img') 34quorum_repair_img = os.path.join(iotests.test_dir, 'quorum_repair.img') 35quorum_snapshot_file = os.path.join(iotests.test_dir, 'quorum_snapshot.img') 36 37 38class TestSingleDrive(iotests.QMPTestCase): 39 image_len = 1 * 1024 * 1024 # MB 40 41 def setUp(self): 42 iotests.create_image(backing_img, self.image_len) 43 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 44 self.vm = iotests.VM().add_drive(test_img) 45 if iotests.qemu_default_machine == 'pc': 46 self.vm.add_drive(None, 'media=cdrom', 'ide') 47 self.vm.launch() 48 49 def tearDown(self): 50 self.vm.shutdown() 51 os.remove(test_img) 52 os.remove(backing_img) 53 try: 54 os.remove(target_img) 55 except OSError: 56 pass 57 58 def test_complete(self): 59 self.assert_no_active_block_jobs() 60 61 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 62 target=target_img) 63 self.assert_qmp(result, 'return', {}) 64 65 self.complete_and_wait() 66 result = self.vm.qmp('query-block') 67 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 68 self.vm.shutdown() 69 self.assertTrue(iotests.compare_images(test_img, target_img), 70 'target image does not match source after mirroring') 71 72 def test_cancel(self): 73 self.assert_no_active_block_jobs() 74 75 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 76 target=target_img) 77 self.assert_qmp(result, 'return', {}) 78 79 self.cancel_and_wait(force=True) 80 result = self.vm.qmp('query-block') 81 self.assert_qmp(result, 'return[0]/inserted/file', test_img) 82 self.vm.shutdown() 83 84 def test_cancel_after_ready(self): 85 self.assert_no_active_block_jobs() 86 87 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 88 target=target_img) 89 self.assert_qmp(result, 'return', {}) 90 91 self.wait_ready_and_cancel() 92 result = self.vm.qmp('query-block') 93 self.assert_qmp(result, 'return[0]/inserted/file', test_img) 94 self.vm.shutdown() 95 self.assertTrue(iotests.compare_images(test_img, target_img), 96 'target image does not match source after mirroring') 97 98 def test_pause(self): 99 self.assert_no_active_block_jobs() 100 101 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 102 target=target_img) 103 self.assert_qmp(result, 'return', {}) 104 105 result = self.vm.qmp('block-job-pause', device='drive0') 106 self.assert_qmp(result, 'return', {}) 107 108 time.sleep(1) 109 result = self.vm.qmp('query-block-jobs') 110 offset = self.dictpath(result, 'return[0]/offset') 111 112 time.sleep(1) 113 result = self.vm.qmp('query-block-jobs') 114 self.assert_qmp(result, 'return[0]/offset', offset) 115 116 result = self.vm.qmp('block-job-resume', device='drive0') 117 self.assert_qmp(result, 'return', {}) 118 119 self.complete_and_wait() 120 self.vm.shutdown() 121 self.assertTrue(iotests.compare_images(test_img, target_img), 122 'target image does not match source after mirroring') 123 124 def test_small_buffer(self): 125 self.assert_no_active_block_jobs() 126 127 # A small buffer is rounded up automatically 128 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 129 buf_size=4096, target=target_img) 130 self.assert_qmp(result, 'return', {}) 131 132 self.complete_and_wait() 133 result = self.vm.qmp('query-block') 134 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 135 self.vm.shutdown() 136 self.assertTrue(iotests.compare_images(test_img, target_img), 137 'target image does not match source after mirroring') 138 139 def test_small_buffer2(self): 140 self.assert_no_active_block_jobs() 141 142 qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d' 143 % (self.image_len, self.image_len), target_img) 144 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 145 buf_size=65536, mode='existing', target=target_img) 146 self.assert_qmp(result, 'return', {}) 147 148 self.complete_and_wait() 149 result = self.vm.qmp('query-block') 150 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 151 self.vm.shutdown() 152 self.assertTrue(iotests.compare_images(test_img, target_img), 153 'target image does not match source after mirroring') 154 155 def test_large_cluster(self): 156 self.assert_no_active_block_jobs() 157 158 qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' 159 % (self.image_len, backing_img), target_img) 160 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 161 mode='existing', target=target_img) 162 self.assert_qmp(result, 'return', {}) 163 164 self.complete_and_wait() 165 result = self.vm.qmp('query-block') 166 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 167 self.vm.shutdown() 168 self.assertTrue(iotests.compare_images(test_img, target_img), 169 'target image does not match source after mirroring') 170 171 def test_medium_not_found(self): 172 if iotests.qemu_default_machine != 'pc': 173 return 174 175 result = self.vm.qmp('drive-mirror', device='drive1', # CD-ROM 176 sync='full', target=target_img) 177 self.assert_qmp(result, 'error/class', 'GenericError') 178 179 def test_image_not_found(self): 180 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 181 mode='existing', target=target_img) 182 self.assert_qmp(result, 'error/class', 'GenericError') 183 184 def test_device_not_found(self): 185 result = self.vm.qmp('drive-mirror', device='nonexistent', sync='full', 186 target=target_img) 187 self.assert_qmp(result, 'error/class', 'DeviceNotFound') 188 189class TestSingleDriveZeroLength(TestSingleDrive): 190 image_len = 0 191 test_small_buffer2 = None 192 test_large_cluster = None 193 194class TestSingleDriveUnalignedLength(TestSingleDrive): 195 image_len = 1025 * 1024 196 test_small_buffer2 = None 197 test_large_cluster = None 198 199class TestMirrorNoBacking(iotests.QMPTestCase): 200 image_len = 2 * 1024 * 1024 # MB 201 202 def setUp(self): 203 iotests.create_image(backing_img, TestMirrorNoBacking.image_len) 204 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 205 self.vm = iotests.VM().add_drive(test_img) 206 self.vm.launch() 207 208 def tearDown(self): 209 self.vm.shutdown() 210 os.remove(test_img) 211 os.remove(backing_img) 212 try: 213 os.remove(target_backing_img) 214 except: 215 pass 216 os.remove(target_img) 217 218 def test_complete(self): 219 self.assert_no_active_block_jobs() 220 221 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img) 222 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 223 mode='existing', target=target_img) 224 self.assert_qmp(result, 'return', {}) 225 226 self.complete_and_wait() 227 result = self.vm.qmp('query-block') 228 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 229 self.vm.shutdown() 230 self.assertTrue(iotests.compare_images(test_img, target_img), 231 'target image does not match source after mirroring') 232 233 def test_cancel(self): 234 self.assert_no_active_block_jobs() 235 236 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img) 237 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 238 mode='existing', target=target_img) 239 self.assert_qmp(result, 'return', {}) 240 241 self.wait_ready_and_cancel() 242 result = self.vm.qmp('query-block') 243 self.assert_qmp(result, 'return[0]/inserted/file', test_img) 244 self.vm.shutdown() 245 self.assertTrue(iotests.compare_images(test_img, target_img), 246 'target image does not match source after mirroring') 247 248 def test_large_cluster(self): 249 self.assert_no_active_block_jobs() 250 251 # qemu-img create fails if the image is not there 252 qemu_img('create', '-f', iotests.imgfmt, '-o', 'size=%d' 253 %(TestMirrorNoBacking.image_len), target_backing_img) 254 qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' 255 % (TestMirrorNoBacking.image_len, target_backing_img), target_img) 256 257 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 258 mode='existing', target=target_img) 259 self.assert_qmp(result, 'return', {}) 260 261 self.complete_and_wait() 262 result = self.vm.qmp('query-block') 263 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 264 self.vm.shutdown() 265 self.assertTrue(iotests.compare_images(test_img, target_img), 266 'target image does not match source after mirroring') 267 268class TestMirrorResized(iotests.QMPTestCase): 269 backing_len = 1 * 1024 * 1024 # MB 270 image_len = 2 * 1024 * 1024 # MB 271 272 def setUp(self): 273 iotests.create_image(backing_img, TestMirrorResized.backing_len) 274 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 275 qemu_img('resize', test_img, '2M') 276 self.vm = iotests.VM().add_drive(test_img) 277 self.vm.launch() 278 279 def tearDown(self): 280 self.vm.shutdown() 281 os.remove(test_img) 282 os.remove(backing_img) 283 try: 284 os.remove(target_img) 285 except OSError: 286 pass 287 288 def test_complete_top(self): 289 self.assert_no_active_block_jobs() 290 291 result = self.vm.qmp('drive-mirror', device='drive0', sync='top', 292 target=target_img) 293 self.assert_qmp(result, 'return', {}) 294 295 self.complete_and_wait() 296 result = self.vm.qmp('query-block') 297 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 298 self.vm.shutdown() 299 self.assertTrue(iotests.compare_images(test_img, target_img), 300 'target image does not match source after mirroring') 301 302 def test_complete_full(self): 303 self.assert_no_active_block_jobs() 304 305 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 306 target=target_img) 307 self.assert_qmp(result, 'return', {}) 308 309 self.complete_and_wait() 310 result = self.vm.qmp('query-block') 311 self.assert_qmp(result, 'return[0]/inserted/file', target_img) 312 self.vm.shutdown() 313 self.assertTrue(iotests.compare_images(test_img, target_img), 314 'target image does not match source after mirroring') 315 316class TestReadErrors(iotests.QMPTestCase): 317 image_len = 2 * 1024 * 1024 # MB 318 319 # this should be a multiple of twice the default granularity 320 # so that we hit this offset first in state 1 321 MIRROR_GRANULARITY = 1024 * 1024 322 323 def create_blkdebug_file(self, name, event, errno): 324 file = open(name, 'w') 325 file.write(''' 326[inject-error] 327state = "1" 328event = "%s" 329errno = "%d" 330immediately = "off" 331once = "on" 332sector = "%d" 333 334[set-state] 335state = "1" 336event = "%s" 337new_state = "2" 338 339[set-state] 340state = "2" 341event = "%s" 342new_state = "1" 343''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event)) 344 file.close() 345 346 def setUp(self): 347 self.blkdebug_file = backing_img + ".blkdebug" 348 iotests.create_image(backing_img, TestReadErrors.image_len) 349 self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5) 350 qemu_img('create', '-f', iotests.imgfmt, 351 '-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw' 352 % (self.blkdebug_file, backing_img), 353 test_img) 354 # Write something for tests that use sync='top' 355 qemu_io('-c', 'write %d 512' % (self.MIRROR_GRANULARITY + 65536), 356 test_img) 357 self.vm = iotests.VM().add_drive(test_img) 358 self.vm.launch() 359 360 def tearDown(self): 361 self.vm.shutdown() 362 os.remove(test_img) 363 os.remove(backing_img) 364 os.remove(self.blkdebug_file) 365 366 def test_report_read(self): 367 self.assert_no_active_block_jobs() 368 369 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 370 target=target_img) 371 self.assert_qmp(result, 'return', {}) 372 373 completed = False 374 error = False 375 while not completed: 376 for event in self.vm.get_qmp_events(wait=True): 377 if event['event'] == 'BLOCK_JOB_ERROR': 378 self.assert_qmp(event, 'data/device', 'drive0') 379 self.assert_qmp(event, 'data/operation', 'read') 380 error = True 381 elif event['event'] == 'BLOCK_JOB_READY': 382 self.assertTrue(False, 'job completed unexpectedly') 383 elif event['event'] == 'BLOCK_JOB_COMPLETED': 384 self.assertTrue(error, 'job completed unexpectedly') 385 self.assert_qmp(event, 'data/type', 'mirror') 386 self.assert_qmp(event, 'data/device', 'drive0') 387 self.assert_qmp(event, 'data/error', 'Input/output error') 388 completed = True 389 390 self.assert_no_active_block_jobs() 391 self.vm.shutdown() 392 393 def test_ignore_read(self): 394 self.assert_no_active_block_jobs() 395 396 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 397 target=target_img, on_source_error='ignore') 398 self.assert_qmp(result, 'return', {}) 399 400 event = self.vm.get_qmp_event(wait=True) 401 self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') 402 self.assert_qmp(event, 'data/device', 'drive0') 403 self.assert_qmp(event, 'data/operation', 'read') 404 result = self.vm.qmp('query-block-jobs') 405 self.assert_qmp(result, 'return[0]/paused', False) 406 self.complete_and_wait() 407 self.vm.shutdown() 408 409 def test_large_cluster(self): 410 self.assert_no_active_block_jobs() 411 412 # Test COW into the target image. The first half of the 413 # cluster at MIRROR_GRANULARITY has to be copied from 414 # backing_img, even though sync='top'. 415 qemu_img('create', '-f', iotests.imgfmt, '-ocluster_size=131072,backing_file=%s' %(backing_img), target_img) 416 result = self.vm.qmp('drive-mirror', device='drive0', sync='top', 417 on_source_error='ignore', 418 mode='existing', target=target_img) 419 self.assert_qmp(result, 'return', {}) 420 421 event = self.vm.get_qmp_event(wait=True) 422 self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') 423 self.assert_qmp(event, 'data/device', 'drive0') 424 self.assert_qmp(event, 'data/operation', 'read') 425 result = self.vm.qmp('query-block-jobs') 426 self.assert_qmp(result, 'return[0]/paused', False) 427 self.complete_and_wait() 428 self.vm.shutdown() 429 430 # Detach blkdebug to compare images successfully 431 qemu_img('rebase', '-f', iotests.imgfmt, '-u', '-b', backing_img, test_img) 432 self.assertTrue(iotests.compare_images(test_img, target_img), 433 'target image does not match source after mirroring') 434 435 def test_stop_read(self): 436 self.assert_no_active_block_jobs() 437 438 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 439 target=target_img, on_source_error='stop') 440 self.assert_qmp(result, 'return', {}) 441 442 error = False 443 ready = False 444 while not ready: 445 for event in self.vm.get_qmp_events(wait=True): 446 if event['event'] == 'BLOCK_JOB_ERROR': 447 self.assert_qmp(event, 'data/device', 'drive0') 448 self.assert_qmp(event, 'data/operation', 'read') 449 450 result = self.vm.qmp('query-block-jobs') 451 self.assert_qmp(result, 'return[0]/paused', True) 452 self.assert_qmp(result, 'return[0]/io-status', 'failed') 453 454 result = self.vm.qmp('block-job-resume', device='drive0') 455 self.assert_qmp(result, 'return', {}) 456 error = True 457 elif event['event'] == 'BLOCK_JOB_READY': 458 self.assertTrue(error, 'job completed unexpectedly') 459 self.assert_qmp(event, 'data/device', 'drive0') 460 ready = True 461 462 result = self.vm.qmp('query-block-jobs') 463 self.assert_qmp(result, 'return[0]/paused', False) 464 self.assert_qmp(result, 'return[0]/io-status', 'ok') 465 466 self.complete_and_wait(wait_ready=False) 467 self.assert_no_active_block_jobs() 468 self.vm.shutdown() 469 470class TestWriteErrors(iotests.QMPTestCase): 471 image_len = 2 * 1024 * 1024 # MB 472 473 # this should be a multiple of twice the default granularity 474 # so that we hit this offset first in state 1 475 MIRROR_GRANULARITY = 1024 * 1024 476 477 def create_blkdebug_file(self, name, event, errno): 478 file = open(name, 'w') 479 file.write(''' 480[inject-error] 481state = "1" 482event = "%s" 483errno = "%d" 484immediately = "off" 485once = "on" 486sector = "%d" 487 488[set-state] 489state = "1" 490event = "%s" 491new_state = "2" 492 493[set-state] 494state = "2" 495event = "%s" 496new_state = "1" 497''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event)) 498 file.close() 499 500 def setUp(self): 501 self.blkdebug_file = target_img + ".blkdebug" 502 iotests.create_image(backing_img, TestWriteErrors.image_len) 503 self.create_blkdebug_file(self.blkdebug_file, "write_aio", 5) 504 qemu_img('create', '-f', iotests.imgfmt, '-obacking_file=%s' %(backing_img), test_img) 505 self.vm = iotests.VM().add_drive(test_img) 506 self.target_img = 'blkdebug:%s:%s' % (self.blkdebug_file, target_img) 507 qemu_img('create', '-f', iotests.imgfmt, '-osize=%d' %(TestWriteErrors.image_len), target_img) 508 self.vm.launch() 509 510 def tearDown(self): 511 self.vm.shutdown() 512 os.remove(test_img) 513 os.remove(backing_img) 514 os.remove(self.blkdebug_file) 515 516 def test_report_write(self): 517 self.assert_no_active_block_jobs() 518 519 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 520 mode='existing', target=self.target_img) 521 self.assert_qmp(result, 'return', {}) 522 523 completed = False 524 error = False 525 while not completed: 526 for event in self.vm.get_qmp_events(wait=True): 527 if event['event'] == 'BLOCK_JOB_ERROR': 528 self.assert_qmp(event, 'data/device', 'drive0') 529 self.assert_qmp(event, 'data/operation', 'write') 530 error = True 531 elif event['event'] == 'BLOCK_JOB_READY': 532 self.assertTrue(False, 'job completed unexpectedly') 533 elif event['event'] == 'BLOCK_JOB_COMPLETED': 534 self.assertTrue(error, 'job completed unexpectedly') 535 self.assert_qmp(event, 'data/type', 'mirror') 536 self.assert_qmp(event, 'data/device', 'drive0') 537 self.assert_qmp(event, 'data/error', 'Input/output error') 538 completed = True 539 540 self.assert_no_active_block_jobs() 541 self.vm.shutdown() 542 543 def test_ignore_write(self): 544 self.assert_no_active_block_jobs() 545 546 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 547 mode='existing', target=self.target_img, 548 on_target_error='ignore') 549 self.assert_qmp(result, 'return', {}) 550 551 event = self.vm.get_qmp_event(wait=True) 552 self.assertEquals(event['event'], 'BLOCK_JOB_ERROR') 553 self.assert_qmp(event, 'data/device', 'drive0') 554 self.assert_qmp(event, 'data/operation', 'write') 555 result = self.vm.qmp('query-block-jobs') 556 self.assert_qmp(result, 'return[0]/paused', False) 557 self.complete_and_wait() 558 self.vm.shutdown() 559 560 def test_stop_write(self): 561 self.assert_no_active_block_jobs() 562 563 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 564 mode='existing', target=self.target_img, 565 on_target_error='stop') 566 self.assert_qmp(result, 'return', {}) 567 568 error = False 569 ready = False 570 while not ready: 571 for event in self.vm.get_qmp_events(wait=True): 572 if event['event'] == 'BLOCK_JOB_ERROR': 573 self.assert_qmp(event, 'data/device', 'drive0') 574 self.assert_qmp(event, 'data/operation', 'write') 575 576 result = self.vm.qmp('query-block-jobs') 577 self.assert_qmp(result, 'return[0]/paused', True) 578 self.assert_qmp(result, 'return[0]/io-status', 'failed') 579 580 result = self.vm.qmp('block-job-resume', device='drive0') 581 self.assert_qmp(result, 'return', {}) 582 583 result = self.vm.qmp('query-block-jobs') 584 self.assert_qmp(result, 'return[0]/paused', False) 585 self.assert_qmp(result, 'return[0]/io-status', 'ok') 586 error = True 587 elif event['event'] == 'BLOCK_JOB_READY': 588 self.assertTrue(error, 'job completed unexpectedly') 589 self.assert_qmp(event, 'data/device', 'drive0') 590 ready = True 591 592 self.complete_and_wait(wait_ready=False) 593 self.assert_no_active_block_jobs() 594 self.vm.shutdown() 595 596class TestSetSpeed(iotests.QMPTestCase): 597 image_len = 80 * 1024 * 1024 # MB 598 599 def setUp(self): 600 qemu_img('create', backing_img, str(TestSetSpeed.image_len)) 601 qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) 602 self.vm = iotests.VM().add_drive(test_img) 603 self.vm.launch() 604 605 def tearDown(self): 606 self.vm.shutdown() 607 os.remove(test_img) 608 os.remove(backing_img) 609 os.remove(target_img) 610 611 def test_set_speed(self): 612 self.assert_no_active_block_jobs() 613 614 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 615 target=target_img) 616 self.assert_qmp(result, 'return', {}) 617 618 # Default speed is 0 619 result = self.vm.qmp('query-block-jobs') 620 self.assert_qmp(result, 'return[0]/device', 'drive0') 621 self.assert_qmp(result, 'return[0]/speed', 0) 622 623 result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024) 624 self.assert_qmp(result, 'return', {}) 625 626 # Ensure the speed we set was accepted 627 result = self.vm.qmp('query-block-jobs') 628 self.assert_qmp(result, 'return[0]/device', 'drive0') 629 self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024) 630 631 self.wait_ready_and_cancel() 632 633 # Check setting speed in drive-mirror works 634 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 635 target=target_img, speed=4*1024*1024) 636 self.assert_qmp(result, 'return', {}) 637 638 result = self.vm.qmp('query-block-jobs') 639 self.assert_qmp(result, 'return[0]/device', 'drive0') 640 self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024) 641 642 self.wait_ready_and_cancel() 643 644 def test_set_speed_invalid(self): 645 self.assert_no_active_block_jobs() 646 647 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 648 target=target_img, speed=-1) 649 self.assert_qmp(result, 'error/class', 'GenericError') 650 651 self.assert_no_active_block_jobs() 652 653 result = self.vm.qmp('drive-mirror', device='drive0', sync='full', 654 target=target_img) 655 self.assert_qmp(result, 'return', {}) 656 657 result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1) 658 self.assert_qmp(result, 'error/class', 'GenericError') 659 660 self.wait_ready_and_cancel() 661 662class TestUnbackedSource(iotests.QMPTestCase): 663 image_len = 2 * 1024 * 1024 # MB 664 665 def setUp(self): 666 qemu_img('create', '-f', iotests.imgfmt, test_img, 667 str(TestUnbackedSource.image_len)) 668 self.vm = iotests.VM().add_drive(test_img) 669 self.vm.launch() 670 671 def tearDown(self): 672 self.vm.shutdown() 673 os.remove(test_img) 674 os.remove(target_img) 675 676 def test_absolute_paths_full(self): 677 self.assert_no_active_block_jobs() 678 result = self.vm.qmp('drive-mirror', device='drive0', 679 sync='full', target=target_img, 680 mode='absolute-paths') 681 self.assert_qmp(result, 'return', {}) 682 self.complete_and_wait() 683 self.assert_no_active_block_jobs() 684 685 def test_absolute_paths_top(self): 686 self.assert_no_active_block_jobs() 687 result = self.vm.qmp('drive-mirror', device='drive0', 688 sync='top', target=target_img, 689 mode='absolute-paths') 690 self.assert_qmp(result, 'return', {}) 691 self.complete_and_wait() 692 self.assert_no_active_block_jobs() 693 694 def test_absolute_paths_none(self): 695 self.assert_no_active_block_jobs() 696 result = self.vm.qmp('drive-mirror', device='drive0', 697 sync='none', target=target_img, 698 mode='absolute-paths') 699 self.assert_qmp(result, 'return', {}) 700 self.complete_and_wait() 701 self.assert_no_active_block_jobs() 702 703class TestRepairQuorum(iotests.QMPTestCase): 704 """ This class test quorum file repair using drive-mirror. 705 It's mostly a fork of TestSingleDrive """ 706 image_len = 1 * 1024 * 1024 # MB 707 IMAGES = [ quorum_img1, quorum_img2, quorum_img3 ] 708 709 def has_quorum(self): 710 return 'quorum' in iotests.qemu_img_pipe('--help') 711 712 def setUp(self): 713 self.vm = iotests.VM() 714 715 if iotests.qemu_default_machine == 'pc': 716 self.vm.add_drive(None, 'media=cdrom', 'ide') 717 718 # Add each individual quorum images 719 for i in self.IMAGES: 720 qemu_img('create', '-f', iotests.imgfmt, i, 721 str(TestSingleDrive.image_len)) 722 # Assign a node name to each quorum image in order to manipulate 723 # them 724 opts = "node-name=img%i" % self.IMAGES.index(i) 725 self.vm = self.vm.add_drive(i, opts) 726 727 self.vm.launch() 728 729 #assemble the quorum block device from the individual files 730 args = { "options" : { "driver": "quorum", "id": "quorum0", 731 "vote-threshold": 2, "children": [ "img0", "img1", "img2" ] } } 732 if self.has_quorum(): 733 result = self.vm.qmp("blockdev-add", **args) 734 self.assert_qmp(result, 'return', {}) 735 736 737 def tearDown(self): 738 self.vm.shutdown() 739 for i in self.IMAGES + [ quorum_repair_img ]: 740 # Do a try/except because the test may have deleted some images 741 try: 742 os.remove(i) 743 except OSError: 744 pass 745 746 def test_complete(self): 747 if not self.has_quorum(): 748 return 749 750 self.assert_no_active_block_jobs() 751 752 result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', 753 node_name="repair0", 754 replaces="img1", 755 target=quorum_repair_img, format=iotests.imgfmt) 756 self.assert_qmp(result, 'return', {}) 757 758 self.complete_and_wait(drive="quorum0") 759 result = self.vm.qmp('query-named-block-nodes') 760 self.assert_qmp(result, 'return[0]/file', quorum_repair_img) 761 # TODO: a better test requiring some QEMU infrastructure will be added 762 # to check that this file is really driven by quorum 763 self.vm.shutdown() 764 self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img), 765 'target image does not match source after mirroring') 766 767 def test_cancel(self): 768 if not self.has_quorum(): 769 return 770 771 self.assert_no_active_block_jobs() 772 773 result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', 774 node_name="repair0", 775 replaces="img1", 776 target=quorum_repair_img, format=iotests.imgfmt) 777 self.assert_qmp(result, 'return', {}) 778 779 self.cancel_and_wait(drive="quorum0", force=True) 780 # here we check that the last registered quorum file has not been 781 # swapped out and unref 782 result = self.vm.qmp('query-named-block-nodes') 783 self.assert_qmp(result, 'return[1]/file', quorum_img3) 784 self.vm.shutdown() 785 786 def test_cancel_after_ready(self): 787 if not self.has_quorum(): 788 return 789 790 self.assert_no_active_block_jobs() 791 792 result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', 793 node_name="repair0", 794 replaces="img1", 795 target=quorum_repair_img, format=iotests.imgfmt) 796 self.assert_qmp(result, 'return', {}) 797 798 self.wait_ready_and_cancel(drive="quorum0") 799 result = self.vm.qmp('query-named-block-nodes') 800 # here we check that the last registered quorum file has not been 801 # swapped out and unref 802 self.assert_qmp(result, 'return[1]/file', quorum_img3) 803 self.vm.shutdown() 804 self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img), 805 'target image does not match source after mirroring') 806 807 def test_pause(self): 808 if not self.has_quorum(): 809 return 810 811 self.assert_no_active_block_jobs() 812 813 result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', 814 node_name="repair0", 815 replaces="img1", 816 target=quorum_repair_img, format=iotests.imgfmt) 817 self.assert_qmp(result, 'return', {}) 818 819 result = self.vm.qmp('block-job-pause', device='quorum0') 820 self.assert_qmp(result, 'return', {}) 821 822 time.sleep(1) 823 result = self.vm.qmp('query-block-jobs') 824 offset = self.dictpath(result, 'return[0]/offset') 825 826 time.sleep(1) 827 result = self.vm.qmp('query-block-jobs') 828 self.assert_qmp(result, 'return[0]/offset', offset) 829 830 result = self.vm.qmp('block-job-resume', device='quorum0') 831 self.assert_qmp(result, 'return', {}) 832 833 self.complete_and_wait(drive="quorum0") 834 self.vm.shutdown() 835 self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img), 836 'target image does not match source after mirroring') 837 838 def test_medium_not_found(self): 839 if not self.has_quorum(): 840 return 841 842 if iotests.qemu_default_machine != 'pc': 843 return 844 845 result = self.vm.qmp('drive-mirror', device='drive0', # CD-ROM 846 sync='full', 847 node_name='repair0', 848 replaces='img1', 849 target=quorum_repair_img, format=iotests.imgfmt) 850 self.assert_qmp(result, 'error/class', 'GenericError') 851 852 def test_image_not_found(self): 853 if not self.has_quorum(): 854 return 855 856 result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', 857 node_name='repair0', 858 replaces='img1', 859 mode='existing', 860 target=quorum_repair_img, format=iotests.imgfmt) 861 self.assert_qmp(result, 'error/class', 'GenericError') 862 863 def test_device_not_found(self): 864 if not self.has_quorum(): 865 return 866 867 result = self.vm.qmp('drive-mirror', device='nonexistent', sync='full', 868 node_name='repair0', 869 replaces='img1', 870 target=quorum_repair_img, format=iotests.imgfmt) 871 self.assert_qmp(result, 'error/class', 'DeviceNotFound') 872 873 def test_wrong_sync_mode(self): 874 if not self.has_quorum(): 875 return 876 877 result = self.vm.qmp('drive-mirror', device='quorum0', 878 node_name='repair0', 879 replaces='img1', 880 target=quorum_repair_img, format=iotests.imgfmt) 881 self.assert_qmp(result, 'error/class', 'GenericError') 882 883 def test_no_node_name(self): 884 if not self.has_quorum(): 885 return 886 887 result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', 888 replaces='img1', 889 target=quorum_repair_img, format=iotests.imgfmt) 890 self.assert_qmp(result, 'error/class', 'GenericError') 891 892 def test_nonexistent_replaces(self): 893 if not self.has_quorum(): 894 return 895 896 result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', 897 node_name='repair0', 898 replaces='img77', 899 target=quorum_repair_img, format=iotests.imgfmt) 900 self.assert_qmp(result, 'error/class', 'GenericError') 901 902 def test_after_a_quorum_snapshot(self): 903 if not self.has_quorum(): 904 return 905 906 result = self.vm.qmp('blockdev-snapshot-sync', node_name='img1', 907 snapshot_file=quorum_snapshot_file, 908 snapshot_node_name="snap1"); 909 910 result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', 911 node_name='repair0', 912 replaces="img1", 913 target=quorum_repair_img, format=iotests.imgfmt) 914 self.assert_qmp(result, 'error/class', 'GenericError') 915 916 result = self.vm.qmp('drive-mirror', device='quorum0', sync='full', 917 node_name='repair0', 918 replaces="snap1", 919 target=quorum_repair_img, format=iotests.imgfmt) 920 self.assert_qmp(result, 'return', {}) 921 922 self.complete_and_wait(drive="quorum0") 923 result = self.vm.qmp('query-named-block-nodes') 924 self.assert_qmp(result, 'return[0]/file', quorum_repair_img) 925 # TODO: a better test requiring some QEMU infrastructure will be added 926 # to check that this file is really driven by quorum 927 self.vm.shutdown() 928 929if __name__ == '__main__': 930 iotests.main(supported_fmts=['qcow2', 'qed']) 931